nomadseason

October Weather in Manassas, United States

Last updated: June 24, 2025

In October, the average temperature in Manassas, United States hovers around 17°C (62°F), offering a mild climate for exploration. However, temperatures can vary significantly, with a minimum of 0°C (32°F) and a maximum reaching 36°C (97°F). Expect moderate rainfall, with precipitation averaging 108 mm (4.3 in) over about 8 days. The average humidity stands at a notable 80%, adding a touch of tropical feel to the air.

October Temperature in Manassas

In October in Manassas, the average temperature is 17°C (62°F). Maximums can reach 36°C (97°F), and minimums can be as low as 0°C (32°F). Be prepared for a wide range of temperatures when traveling, so pack accordingly!

October Weather in Manassas: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Manassas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Manassas, October typically has an average temperature of 17°C (62°F), with highs reaching up to 36°C (97°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec374147576675817772624741
Data source: Temperature data for Manassas generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Manassas

In Manassas in October, the precipitation amount is 108 mm (4.3 in) spread over 8 days.

October Precipitation Trends in Manassas

The chart displays monthly precipitation patterns in Manassas, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Manassas, October typically receives around 108 mm (4.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec609579103125108109146951088591
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Manassas

In Manassas in October, humidity is 80%. With an average temperature of 17°C (62°F), this humidity feels like a heavy blanket wrapping around you, making travel sticky and uncomfortable, and often leaving you longing for a refreshing breeze.

October Average Humidity in Manassas

This chart illustrates the average monthly humidity levels in Manassas, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Manassas is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%84%78%79%70%59%68%80%87%85%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Manassas

In Manassas in October, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Manassas.

Maximum UV Index Levels in Manassas for October

The chart shows the monthly maximum UV Index (UVI) for Manassas in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Manassas typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098753
Data source: Manassas October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How October Weather in Manassas Compares to Other Months

Weather in Manassas varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Manassas, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Manassas, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)60 mm (2.4 inches)86%moderate
February Weather5°C (41°F)95 mm (3.7 inches)86%moderate
March Weather8°C (47°F)79 mm (3.1 inches)86%high
April Weather14°C (57°F)102 mm (4.0 inches)84%very high
May Weather19°C (67°F)125 mm (4.9 inches)78%very high
June Weather24°C (75°F)108 mm (4.3 inches)79%very high
July Weather27°C (81°F)109 mm (4.3 inches)70%very high
August Weather25°C (78°F)146 mm (5.7 inches)59%very high
September Weather22°C (72°F)95 mm (3.7 inches)68%very high
October Weather17°C (62°F)108 mm (4.3 inches)80%high
November Weather8°C (47°F)85 mm (3.3 inches)86%moderate
December Weather5°C (41°F)90 mm (3.6 inches)85%moderate

Compare Manassas's Climate with Cities Worldwide